/* ============================================================
   面试宝典 - Interview Manual CSS
   参考 self_introduction.css 风格，暖橙色主题
   ============================================================ */

/* ---- 全局变量 ---- */
:root {
    --im-primary: #e07b39;
    --im-primary-light: #f5a623;
    --im-primary-dark: #c0621d;
    --im-primary-bg: #fdf6ef;
    --im-primary-bg2: #fef9f5;
    --im-border: #e8d5c0;
    --im-border-light: #f0e6d8;
    --im-text: #3d2b1a;
    --im-text-secondary: #7a5c3e;
    --im-text-muted: #b08060;
    --im-white: #ffffff;
    --im-shadow: 0 2px 12px rgba(224, 123, 57, 0.12);
    --im-shadow-hover: 0 4px 20px rgba(224, 123, 57, 0.2);
    --im-radius: 10px;
    --im-radius-sm: 6px;
    --im-transition: all 0.22s ease;
    --im-toolbar-h: 52px;
    --im-history-w: 220px;
    --im-input-w: 320px;
}

/* ---- 容器 ---- */
.im-container {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: calc(100vh - 160px);
    min-height: 500px;
    background: var(--im-primary-bg2);
    border-radius: var(--im-radius);
    border: 1px solid var(--im-border-light);
    overflow: hidden;
    box-shadow: var(--im-shadow);
    transition: var(--im-transition);
}

.im-container.im-fullscreen {
    position: fixed;
    inset: 0;
    z-index: 9999;
    height: 100vh !important;
    border-radius: 0;
    border: none;
}

/* ---- 工具栏 ---- */
.im-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--im-toolbar-h);
    padding: 0 14px;
    background: linear-gradient(135deg, #e07b39 0%, #f5a623 100%);
    flex-shrink: 0;
    gap: 8px;
    box-shadow: 0 2px 8px rgba(224, 123, 57, 0.3);
}

.im-toolbar-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.im-toolbar-title-group {
    flex: 1;
    justify-content: center;
}

.im-toolbar-title {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 1px;
    text-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.im-toolbar-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    background: rgba(255,255,255,0.2);
    border: 1px solid rgba(255,255,255,0.35);
    border-radius: var(--im-radius-sm);
    color: #fff;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--im-transition);
    white-space: nowrap;
    backdrop-filter: blur(4px);
}

.im-toolbar-btn:hover {
    background: rgba(255,255,255,0.35);
    border-color: rgba(255,255,255,0.6);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.im-toolbar-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* ---- 主内容区域 ---- */
.im-main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* ---- 历史面板 ---- */
.im-history-panel {
    width: var(--im-history-w);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--im-border);
    background: linear-gradient(to bottom, #fefaf6 0%, #fdf4ec 100%);
    overflow: hidden;
}

.im-history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 14px;
    background: linear-gradient(to bottom, #faf5ef, #f5ede2);
    border-bottom: 1px solid var(--im-border-light);
    flex-shrink: 0;
}

.im-history-header h3 {
    margin: 0;
    font-size: 12px;
    font-weight: 600;
    color: var(--im-text-secondary);
}

.im-history-clear-btn {
    background: #fff0f0;
    border: 1px solid #ffd0d0;
    color: #ef4444;
    font-size: 11px;
    cursor: pointer;
    padding: 2px 7px;
    border-radius: 4px;
    transition: var(--im-transition);
}

.im-history-clear-btn:hover {
    background: #fde8e8;
    border-color: #ef4444;
}

/* 历史搜索框 */
.im-history-search {
    background: linear-gradient(135deg, #f8ece0 0%, #f2e2cc 100%);
    border-radius: 12px;
    margin: 8px;
    padding: 6px 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.im-history-search::before {
    content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23C9956C' stroke-width='2.5'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.35-4.35'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
}

.im-history-search input {
    flex: 1;
    border: none;
    background: #fdf8f3;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 12px;
    color: var(--im-text);
    outline: none;
    transition: var(--im-transition);
}

.im-history-search input:focus {
    background: #fff;
    box-shadow: 0 0 0 2px rgba(224, 123, 57, 0.2);
}

.im-history-list {
    flex: 1;
    overflow-y: auto;
    padding: 4px 0;
    scrollbar-width: thin;
    scrollbar-color: #e0c4a8 transparent;
}

.im-history-list::-webkit-scrollbar { width: 4px; }
.im-history-list::-webkit-scrollbar-track { background: transparent; }
.im-history-list::-webkit-scrollbar-thumb { background: #e0c4a8; border-radius: 2px; }
.im-history-list:hover::-webkit-scrollbar-thumb { background: var(--im-primary); }

.im-history-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 32px 12px;
    gap: 6px;
    color: var(--im-text-muted);
    font-size: 12px;
    text-align: center;
}

.im-history-empty span { font-size: 13px; }
.im-history-empty small { opacity: 0.7; }

.im-history-item {
    display: flex;
    align-items: flex-start;
    padding: 8px 12px;
    cursor: pointer;
    transition: var(--im-transition);
    border-bottom: 1px solid #f5e9db;
    gap: 8px;
}

.im-history-item:hover {
    background: linear-gradient(to right, #fef3e8, #fdf8f3);
}

.im-history-item.active {
    background: linear-gradient(to right, #fde8d0, #fef3e8);
    border-left: 3px solid var(--im-primary);
}

.im-history-item.active:hover {
    background: linear-gradient(to right, #fdd9bd, #fee4ce);
}

.im-history-item-info {
    flex: 1;
    min-width: 0;
}

.im-history-item-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--im-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.im-history-item-meta {
    font-size: 10px;
    color: var(--im-text-muted);
    margin-top: 2px;
}

.im-history-item-del {
    background: none;
    border: none;
    color: #cca88a;
    cursor: pointer;
    padding: 1px 4px;
    border-radius: 3px;
    font-size: 11px;
    opacity: 0;
    transition: var(--im-transition);
    flex-shrink: 0;
}

.im-history-item:hover .im-history-item-del { opacity: 1; }
.im-history-item-del:hover { color: #ef4444; background: #fff0f0; }

.im-history-footer {
    padding: 8px 14px;
    border-top: 1px solid var(--im-border-light);
    background: #faf5ef;
    flex-shrink: 0;
}

.im-history-count {
    font-size: 11px;
    color: var(--im-text-muted);
}

/* ---- 输入面板 ---- */
.im-input-panel {
    width: var(--im-input-w);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--im-border);
    background: var(--im-white);
    overflow: hidden;
}

.im-panel-header {
    padding: 12px 16px;
    border-bottom: 1px solid var(--im-border-light);
    background: linear-gradient(to bottom, #fff, #fef9f5);
    flex-shrink: 0;
}

.im-panel-header h3 {
    margin: 0;
    font-size: 13px;
    font-weight: 600;
    color: var(--im-text-secondary);
}

.im-input-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 12px 14px;
    scrollbar-width: thin;
    scrollbar-color: #e0c4a8 transparent;
}

.im-input-scroll::-webkit-scrollbar { width: 4px; }
.im-input-scroll::-webkit-scrollbar-track { background: transparent; }
.im-input-scroll::-webkit-scrollbar-thumb { background: #e0c4a8; border-radius: 2px; }
.im-input-scroll:hover::-webkit-scrollbar-thumb { background: var(--im-primary); }

.im-section-divider {
    font-size: 11px;
    font-weight: 600;
    color: var(--im-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 10px 0 6px;
    border-bottom: 1px solid var(--im-border-light);
    margin-bottom: 10px;
}

.im-form-field {
    margin-bottom: 12px;
}

.im-input-label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--im-text-secondary);
    margin-bottom: 5px;
}

.im-required {
    color: #ef4444;
    font-size: 12px;
}

.im-text-input,
.im-select-input,
.im-textarea {
    width: 100%;
    padding: 7px 10px;
    border: 1px solid var(--im-border);
    border-radius: var(--im-radius-sm);
    font-size: 12px;
    color: var(--im-text);
    background: var(--im-white);
    transition: var(--im-transition);
    box-sizing: border-box;
    font-family: inherit;
}

.im-text-input:focus,
.im-select-input:focus,
.im-textarea:focus {
    outline: none;
    border-color: var(--im-primary);
    box-shadow: 0 0 0 3px rgba(224, 123, 57, 0.12);
    background: #fffaf6;
}

.im-textarea {
    resize: vertical;
    min-height: 72px;
    line-height: 1.5;
}

/* 选项区 */
.im-options-section {
    margin-top: 12px;
    background: var(--im-primary-bg);
    border: 1px solid var(--im-border-light);
    border-radius: var(--im-radius-sm);
    padding: 10px 12px;
}

.im-options-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.im-options-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--im-text-secondary);
}

.im-options-quick-btns {
    display: flex;
    gap: 4px;
}

.im-quick-btn {
    padding: 2px 8px;
    border: 1px solid var(--im-border);
    border-radius: 4px;
    background: var(--im-white);
    font-size: 11px;
    color: var(--im-text-secondary);
    cursor: pointer;
    transition: var(--im-transition);
}

.im-quick-btn:hover {
    border-color: var(--im-primary);
    color: var(--im-primary);
    background: var(--im-primary-bg);
}

.im-options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
}

.im-options-grid > :last-child:nth-child(odd) {
    grid-column: 1 / -1;
}

.im-option-checkbox {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    padding: 4px 6px;
    border-radius: 4px;
    transition: var(--im-transition);
    border: 1px solid transparent;
}

.im-option-checkbox:hover {
    background: rgba(224, 123, 57, 0.08);
    border-color: var(--im-border-light);
}

.im-option-checkbox input[type="checkbox"] {
    width: 13px;
    height: 13px;
    accent-color: var(--im-primary);
    cursor: pointer;
    flex-shrink: 0;
}

.im-checkbox-label {
    font-size: 11px;
    color: var(--im-text);
    user-select: none;
}

/* 操作按钮 */
.im-action-section {
    padding: 12px 14px;
    border-top: 1px solid var(--im-border-light);
    background: linear-gradient(to top, #fef9f5, #fff);
    flex-shrink: 0;
    display: flex;
    gap: 8px;
}

.im-generate-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 16px;
    background: linear-gradient(135deg, var(--im-primary) 0%, var(--im-primary-light) 100%);
    border: none;
    border-radius: var(--im-radius-sm);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--im-transition);
    box-shadow: 0 3px 12px rgba(224, 123, 57, 0.35);
}

.im-generate-btn:hover {
    background: linear-gradient(135deg, var(--im-primary-dark) 0%, var(--im-primary) 100%);
    transform: translateY(-1px);
    box-shadow: 0 5px 18px rgba(224, 123, 57, 0.4);
}

.im-generate-btn:active {
    transform: translateY(0);
}

.im-generate-btn.si-btn-generating {
    animation: imPulse 1s ease-in-out infinite;
}

@keyframes imPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.72; }
}

.im-cancel-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 10px 14px;
    background: #f5f5f5;
    border: 1px solid #ddd;
    border-radius: var(--im-radius-sm);
    color: #666;
    font-size: 13px;
    cursor: pointer;
    transition: var(--im-transition);
}

.im-cancel-btn:hover {
    background: #ffe8e8;
    border-color: #ef4444;
    color: #ef4444;
}

.im-btn-icon { font-size: 14px; }

/* ---- 结果面板 ---- */
.im-result-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--im-primary-bg2);
}

.im-result-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--im-border-light);
    background: linear-gradient(to bottom, #fff, #fef9f5);
    flex-shrink: 0;
}

.im-result-panel-header h3 {
    margin: 0;
    font-size: 13px;
    font-weight: 600;
    color: var(--im-text-secondary);
}

.im-result-actions {
    display: flex;
    gap: 6px;
}

.im-result-action-btn {
    padding: 4px 10px;
    background: var(--im-white);
    border: 1px solid var(--im-border);
    border-radius: var(--im-radius-sm);
    font-size: 11px;
    color: var(--im-text-secondary);
    cursor: pointer;
    transition: var(--im-transition);
}

.im-result-action-btn:hover {
    border-color: var(--im-primary);
    color: var(--im-primary);
    background: var(--im-primary-bg);
}

/* 占位符 */
.im-result-placeholder {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 32px;
    gap: 12px;
    text-align: center;
}

.im-placeholder-icon {
    font-size: 52px;
    line-height: 1;
    filter: drop-shadow(0 2px 8px rgba(224,123,57,0.2));
}

.im-placeholder-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--im-text);
    margin: 0;
}

.im-placeholder-desc {
    font-size: 13px;
    color: var(--im-text-muted);
    line-height: 1.6;
    max-width: 420px;
    margin: 0;
}

.im-placeholder-tips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-top: 8px;
}

.im-tip-item {
    background: var(--im-primary-bg);
    border: 1px solid var(--im-border-light);
    border-radius: 20px;
    padding: 5px 14px;
    font-size: 12px;
    color: var(--im-text-secondary);
}

.im-placeholder-quick-start {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
}

.im-placeholder-btn {
    padding: 10px 22px;
    background: linear-gradient(135deg, var(--im-primary), var(--im-primary-light));
    border: none;
    border-radius: 22px;
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--im-transition);
    box-shadow: 0 3px 12px rgba(224,123,57,0.3);
}

.im-placeholder-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 18px rgba(224,123,57,0.4);
}

.im-placeholder-shortcut {
    font-size: 11px;
    color: var(--im-text-muted);
}

/* 加载状态 */
.im-result-loading {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 40px;
}

.im-loading-animation {
    display: flex;
    gap: 8px;
}

.im-loading-dot {
    width: 10px;
    height: 10px;
    background: var(--im-primary);
    border-radius: 50%;
    animation: imDotBounce 1.4s ease-in-out infinite;
}

.im-loading-dot:nth-child(1) { animation-delay: 0s; }
.im-loading-dot:nth-child(2) { animation-delay: 0.2s; }
.im-loading-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes imDotBounce {
    0%, 80%, 100% { transform: scale(0.7); opacity: 0.5; }
    40% { transform: scale(1.1); opacity: 1; }
}

.im-loading-text {
    font-size: 14px;
    font-weight: 600;
    color: var(--im-text);
    margin: 0;
}

.im-loading-sub {
    font-size: 12px;
    color: var(--im-text-muted);
    margin: 0;
}

/* 结果内容滚动区 */
.im-result-content {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
    scrollbar-width: thin;
    scrollbar-color: #e0c4a8 transparent;
}

.im-result-content::-webkit-scrollbar { width: 4px; }
.im-result-content::-webkit-scrollbar-track { background: transparent; }
.im-result-content::-webkit-scrollbar-thumb { background: #e0c4a8; border-radius: 2px; }
.im-result-content:hover::-webkit-scrollbar-thumb { background: var(--im-primary); }

/* 结果区块 */
.im-result-section {
    background: var(--im-white);
    border: 1px solid var(--im-border-light);
    border-radius: var(--im-radius);
    margin-bottom: 10px;
    overflow: hidden;
    box-shadow: 0 1px 6px rgba(224,123,57,0.06);
    transition: var(--im-transition);
}

.im-result-section:last-child { margin-bottom: 0; }

.im-result-section:hover {
    box-shadow: 0 3px 14px rgba(224,123,57,0.12);
}

.im-result-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 11px 14px;
    cursor: pointer;
    user-select: none;
    transition: var(--im-transition);
}

.im-result-section-header:hover {
    background: var(--im-primary-bg);
}

.im-section-header-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.im-section-icon { font-size: 15px; }

.im-section-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--im-text);
}

.im-section-header-right {
    display: flex;
    align-items: center;
    gap: 6px;
}

.im-section-copy-btn {
    background: none;
    border: 1px solid var(--im-border-light);
    border-radius: 4px;
    padding: 2px 6px;
    font-size: 11px;
    cursor: pointer;
    color: var(--im-text-muted);
    transition: var(--im-transition);
}

.im-section-copy-btn:hover {
    border-color: var(--im-primary);
    color: var(--im-primary);
    background: var(--im-primary-bg);
}

.im-section-collapse-icon {
    font-size: 13px;
    color: var(--im-text-muted);
    transition: transform 0.25s ease;
    display: inline-block; /* transform 需要 inline-block */
    line-height: 1;
}

.im-result-section.collapsed .im-section-collapse-icon {
    transform: rotate(-90deg);
}

.im-section-body {
    padding: 14px 16px;
    border-top: 1px solid var(--im-border-light);
    font-size: 13px;
    line-height: 1.7;
    color: var(--im-text);
    word-break: break-word;
}

.im-result-section.collapsed .im-section-body {
    display: none;
}

/* 区块左侧色标 - 按ID直接指定，避免因区块隐藏导致:nth-child颜色错位 */
#sectionOverview .im-result-section-header       { border-left: 4px solid #e07b39; }
#sectionCommonQ .im-result-section-header        { border-left: 4px solid #3b82f6; }
#sectionTechnicalQ .im-result-section-header     { border-left: 4px solid #8b5cf6; }
#sectionBehavioralQ .im-result-section-header    { border-left: 4px solid #ef4444; }
#sectionTips .im-result-section-header           { border-left: 4px solid #22c55e; }
#sectionSalary .im-result-section-header         { border-left: 4px solid #eab308; }
#sectionQuestionsToAsk .im-result-section-header { border-left: 4px solid #06b6d4; }
#sectionRawText .im-result-section-header        { border-left: 4px solid #94a3b8; }

/* 原始文本区 */
.im-raw-text-body {
    white-space: pre-wrap;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    background: #f8f8f8;
    border-radius: var(--im-radius-sm);
    padding: 12px;
}

/* 错误信息样式（普通字体、橙色、非等宽）*/
.im-error-body {
    color: var(--im-primary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 13px;
    line-height: 1.7;
    margin: 0;
    padding: 4px 0;
}

/* ---- Q&A 题目样式 ---- */
.im-section-body .im-qa-item {
    background: var(--im-primary-bg);
    border: 1px solid var(--im-border-light);
    border-radius: var(--im-radius-sm);
    margin-bottom: 12px;
    overflow: hidden;
}

.im-section-body .im-question {
    padding: 10px 14px;
    font-size: 13px;
    font-weight: 600;
    color: var(--im-text);
    background: linear-gradient(to right, #fff3e8, #fdf8f3);
    border-bottom: 1px solid var(--im-border-light);
}

.im-section-body .im-answer {
    padding: 10px 14px;
    font-size: 12px;
    line-height: 1.7;
    color: #4a3728;
}

.im-section-body .im-star-tip {
    padding: 7px 14px;
    font-size: 11px;
    background: #f0fdf4;
    border-top: 1px solid #d1fae5;
    color: #166534;
}

.im-section-body .im-qa-item:last-child {
    margin-bottom: 0;
}

/* 结果区块富文本样式 —— 支持 AI 返回的 ul/ol/li/p/h4/strong/a 等标签 */
.im-section-body p {
    margin: 0 0 8px;
    line-height: 1.7;
}
.im-section-body p:last-child { margin-bottom: 0; }

.im-section-body ul,
.im-section-body ol {
    margin: 6px 0 10px;
    padding-left: 22px;
}
.im-section-body ul { list-style-type: disc; }
.im-section-body ol { list-style-type: decimal; }
.im-section-body ul li::marker { color: var(--im-primary); }
.im-section-body ol li::marker { color: var(--im-primary); font-weight: 600; }

.im-section-body li {
    margin-bottom: 5px;
    line-height: 1.7;
}
.im-section-body li:last-child { margin-bottom: 0; }

.im-section-body h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--im-text);
    margin: 12px 0 6px;
    padding-left: 8px;
    border-left: 3px solid var(--im-primary);
}
.im-section-body h4:first-child { margin-top: 0; }

.im-section-body strong {
    color: var(--im-primary-dark);
    font-weight: 600;
}
.im-section-body em {
    color: var(--im-text-secondary);
    font-style: italic;
}
.im-section-body a {
    color: var(--im-primary);
    text-decoration: none;
}
.im-section-body a:hover { text-decoration: underline; }

/* ---- 示例模态框 ---- */
.im-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 10001;
    align-items: center;
    justify-content: center;
}

.im-modal.active { display: flex; }

.im-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    z-index: 10000;
    backdrop-filter: blur(2px);
}

.im-modal-content {
    position: relative;
    z-index: 10001;
    background: var(--im-white);
    border-radius: 14px;
    width: 90%;
    max-width: 680px;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0,0,0,0.25);
    animation: imModalIn 0.22s ease;
}

@keyframes imModalIn {
    from { transform: scale(0.93) translateY(-12px); opacity: 0; }
    to { transform: scale(1) translateY(0); opacity: 1; }
}

.im-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--im-border-light);
    background: linear-gradient(135deg, var(--im-primary) 0%, var(--im-primary-light) 100%);
}

.im-modal-header h3 {
    margin: 0;
    font-size: 15px;
    font-weight: 700;
    color: #fff;
}

.im-modal-close {
    background: rgba(255,255,255,0.2);
    border: 1px solid rgba(255,255,255,0.3);
    color: #fff;
    font-size: 14px;
    cursor: pointer;
    padding: 4px 9px;
    border-radius: 5px;
    transition: var(--im-transition);
}

.im-modal-close:hover {
    background: rgba(255,255,255,0.35);
}

.im-modal-body {
    overflow-y: auto;
    padding: 20px;
    scrollbar-width: thin;
    scrollbar-color: #e0c4a8 transparent;
}

.im-modal-body::-webkit-scrollbar { width: 4px; }
.im-modal-body::-webkit-scrollbar-track { background: transparent; }
.im-modal-body::-webkit-scrollbar-thumb { background: #e0c4a8; border-radius: 2px; }
.im-modal-body:hover::-webkit-scrollbar-thumb { background: var(--im-primary); }

.im-example-category {
    margin-bottom: 20px;
}

.im-example-category-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--im-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--im-border-light);
    margin-bottom: 12px;
}

.im-example-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 10px;
}

.im-example-card {
    background: var(--im-primary-bg);
    border: 1px solid var(--im-border-light);
    border-radius: var(--im-radius-sm);
    padding: 12px;
    cursor: pointer;
    transition: var(--im-transition);
}

.im-example-card:hover {
    border-color: var(--im-primary);
    background: var(--im-white);
    box-shadow: var(--im-shadow-hover);
    transform: translateY(-1px);
}

.im-example-card-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--im-text);
    margin-bottom: 4px;
}

.im-example-card-desc {
    font-size: 11px;
    color: var(--im-text-muted);
    line-height: 1.5;
}

/* ---- 响应式 ---- */
@media (max-width: 960px) {
    :root {
        --im-history-w: 0px;
        --im-input-w: 280px;
    }
    .im-history-panel { display: none; }
}

@media (max-width: 680px) {
    .im-main-content { flex-direction: column; }
    .im-input-panel {
        width: 100%;
        max-height: 45vh;
        border-right: none;
        border-bottom: 1px solid var(--im-border);
    }
    .im-result-panel { min-height: 300px; }
    .im-toolbar-title-group { display: none; }
    :root { --im-toolbar-h: 46px; }
}

/* ---- 打印样式 ---- */
@media print {
    .im-toolbar,
    .im-history-panel,
    .im-input-panel,
    .im-result-actions,
    .im-result-placeholder,
    .im-result-loading,
    #resultPlaceholder,
    #resultLoading {
        display: none !important;
    }

    .im-container {
        height: auto !important;
        box-shadow: none;
        border: none;
    }

    .im-main-content {
        display: block;
    }

    .im-result-panel {
        width: 100%;
        overflow: visible;
    }

    .im-result-content {
        overflow: visible;
    }

    .im-result-section.collapsed .im-section-body {
        display: block !important;
    }

    .im-result-section-header {
        background: none !important;
    }
}